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Idioms are fun word phrases that mean something different than the actual words say. People use them to make talking and writing more colorful and exciting. In this article, you will learn fifty fun idioms related to a long time.
In this lesson, we’ll look at idioms that mean lasting forever, stretching across ages, and taking many years. Let’s get started and explore some of these helpful expressions.
Idioms for Long Time
1. In a blue moon
Definition: Something that happens very rarely or almost never over a long period.
Used in a Sentence: We visit that faraway park only once in a blue moon. / Snow falls in our town in a blue moon during cold winters.
Similar Expressions: Very rarely / Seldom happen
2. Since time immemorial
Definition: A duration that has lasted longer than anyone can remember or trace.
Used in a Sentence: People have told stories around campfires since time immemorial. / The old oak tree has stood on the hill since time immemorial.
Similar Expressions: Forever past / Ancient days
3. For ages
Definition: Spending a very long duration waiting or working on something.
Used in a Sentence: We waited for the bus to arrive for ages in the cold rain. / I have not seen my old camp friend for ages.
Similar Expressions: A long time / Many years
4. Leap year
Definition: An extra day occurring once every four years, marking a long interval.
Used in a Sentence: My birthday happens only on a leap year, which takes a long time to come around. / Waiting for a leap year feels like waiting forever.
Similar Expressions: Four-year cycle / Rare calendar event
5. Until the cows come home
Definition: Doing an activity for an extremely long time without stopping.
Used in a Sentence: We could talk about our favorite video games until the cows come home. / He practiced his guitar scales until the cows come home.
Similar Expressions: For a very long time / Endlessly
6. A coon’s age
Definition: An old-fashioned expression meaning an extremely long duration of time.
Used in a Sentence: I have not tasted mom’s apple pie in what feels like a coon’s age. / It has been a coon’s age since we last played soccer together.
Similar Expressions: A long while / Many years
7. A drop in the ocean
Definition: A tiny amount compared to a vast expanse of time or space.
Used in a Sentence: Waiting five minutes is just a drop in the ocean compared to years of study. / One rainy afternoon is a drop in the ocean of summer vacation.
Similar Expressions: Tiny fraction / Small part
8. Millennium
Definition: A massive span of one thousand years of history.
Used in a Sentence: Human civilization has grown and changed over more than one millennium. / Building those ancient stone monuments took a long time across a millennium.
Similar Expressions: Thousand years / Age span
9. Century
Definition: A long historical period lasting exactly one hundred years.
Used in a Sentence: My great grandmother has lived for almost an entire century. / That historic school building was constructed over a century ago.
Similar Expressions: One hundred years / Long era
10. Eon
Definition: An immeasurably long period of time, often lasting millions of years.
Used in a Sentence: Waiting for the science experiment seeds to sprout felt like an eon. / Dinosaurs walked the Earth an eon ago.
Similar Expressions: Endless time / Vast age
11. Lifetime
Definition: The entire duration of a person’s existence from birth to old age.
Used in a Sentence: Reading every book in this giant library would take a lifetime. / He hoped to travel to every continent in his lifetime.
Similar Expressions: Whole life / Entire span
12. Generation
Definition: The typical period of time between the birth of parents and their children.
Used in a Sentence: Families have farmed this green valley across more than one generation. / Customs and traditions are passed down from generation to generation.
Similar Expressions: Family age span / Era group
13. Decade
Definition: A long stretch of time lasting exactly ten years.
Used in a Sentence: Our family has lived in this cozy neighborhood for a full decade. / Technology has changed faster this past decade than ever before.
Similar Expressions: Ten years / Decade span
14. Turn of the tide
Definition: A major shift that happens after a long period of waiting.
Used in a Sentence: After waiting for hours, we finally saw the turn of the tide at the beach. / The turn of the tide brought new success after years of hard work.
Similar Expressions: Big shift / Change in time
15. Through the years
Definition: Passing through a long sequence of seasons and experiences.
Used in a Sentence: Our friendship has grown stronger through the years of school. / Collecting stamps is a hobby he kept through the years.
Similar Expressions: Over time / Across seasons
16. Year in, year out
Definition: Happening consistently every single year over a long duration.
Used in a Sentence: The farmer planted corn in that field year in, year out. / Year in, year out, our school hosts a fun autumn carnival.
Similar Expressions: Annually / Constantly recurring
17. Day in, day out
Definition: Repeating a routine continuously for a very long time.
Used in a Sentence: He practiced his piano scales day in, day out to win the contest. / Day in, day out, the little puppy waited by the front door.
Similar Expressions: Continuously / Every single day
18. Over the long haul
Definition: Looking at or preparing for a task that will take a long time.
Used in a Sentence: Saving money for college requires patience over the long haul. / Learning a new language takes steady effort over the long haul.
Similar Expressions: Long term / Extended period
19. Stand the test of time
Definition: Surviving and remaining strong or relevant across many years.
Used in a Sentence: Classic fairy tale books continue to stand the test of time. / The stone bridge built by romans still stands the test of time.
Similar Expressions: Endure forever / Last long
20. Stretch of time
Definition: A continuous period lasting longer than usual.
Used in a Sentence: Summer vacation is a wonderful stretch of time to relax outdoors. / We faced a long stretch of time without any rain.
Similar Expressions: Period duration / Time block
21. From dawn till dusk
Definition: Spending the entire length of daylight hours on an activity.
Used in a Sentence: The workers built the wooden fence from dawn till dusk. / We played soccer in the yard from dawn till dusk.
Similar Expressions: All day long / Sunrise to sunset
22. In the course of time
Definition: Eventually happening after a long duration has passed.
Used in a Sentence: In the course of time, the tiny seedling grew into a tall tree. / Secrets are revealed in the course of time.
Similar Expressions: Eventually / As time passes
23. From year to year
Definition: Changing slowly across a long sequence of annual cycles.
Used in a Sentence: Weather patterns shift slightly from year to year in our valley. / My height changes visibly from year to year.
Similar Expressions: Annually changing / Over years
24. With the passage of time
Definition: How things change gradually as a long period goes by.
Used in a Sentence: With the passage of time, old memories become cherished treasures. / Scratches on the wooden desk faded with the passage of time.
Similar Expressions: As time goes / Slowly moving time
25. Time out of mind
Definition: History or memories stretching back further than anyone can recall.
Used in a Sentence: People have fished in this mountain lake from time out of mind. / Legends of the hidden cave date back to time out of mind.
Similar Expressions: Ancient history / Forgotten past
26. A good spell
Definition: An informal phrase meaning a fairly long period of time.
Used in a Sentence: We sat on the porch and chatted for a good spell after dinner. / He rested his legs for a good spell before running again.
Similar Expressions: Long while / Extended bit
27. A long time coming
Definition: An event that took many years before finally arriving.
Used in a Sentence: Winning the school championship trophy was a long time coming. / The new park in our neighborhood was a long time coming.
Similar Expressions: Delayed arrival / Patiently awaited
28. Until kingdom come
Definition: Waiting or working for an infinite or extremely long duration.
Used in a Sentence: You could explain the math puzzle until kingdom come, but he needs practice. / We sat on the porch until kingdom come watching stars.
Similar Expressions: Forever / Endlessly
29. Wait till the cows come home
Definition: Expecting something to take a very long time before finishing.
Used in a Sentence: You can wait till the cows come home, but that stubborn mule won’t budge. / We can debate this puzzle till the cows come home.
Similar Expressions: Wait forever / Long wait
30. For a blue moon interval
Definition: A poetic way to describe waiting through an extremely rare span.
Used in a Sentence: Seeing shooting stars happens only for a blue moon interval. / He visited his hometown for a blue moon interval.
Similar Expressions: Rare period / Distant gap
31. Slow as molasses
Definition: Time feeling like it is dragging on for an exceptionally long time.
Used in a Sentence: During the final test hour, the classroom clock felt slow as molasses. / Waiting for the water to boil seemed slow as molasses.
Similar Expressions: Creeping time / Very slow
32. Drag on
Definition: When an event or meeting takes much longer than expected.
Used in a Sentence: The assembly began to drag on when the microphone stopped working. / Rainy afternoons can sometimes drag on if you have no toys.
Similar Expressions: Take too long / Proceed slowly
33. All the livelong day
Definition: Spending every single hour of the day on a long task.
Used in a Sentence: The little birds sang melodies in the oak tree all the livelong day. / We built sandcastles at the beach all the livelong day.
Similar Expressions: All day long / Entire daylight
34. For days on end
Definition: Continuing an activity uninterrupted for many consecutive days.
Used in a Sentence: Heavy snow fell across the mountain town for days on end. / He read his favorite adventure book for days on end.
Similar Expressions: Continuous days / Many days
35. For weeks at a time
Definition: Stretching a routine or absence across a lengthy multi-week span.
Used in a Sentence: My uncle travels for work and stays away for weeks at a time. / Campers sleep in the wilderness for weeks at a time.
Similar Expressions: Extended weeks / Long stretches
36. For months on end
Definition: Spanning a continuous duration lasting several months.
Used in a Sentence: The bears sleep inside their cozy caves for months on end. / Garden seeds rest underground for months on end during winter.
Similar Expressions: Extended months / Long duration
37. Over a span of years
Definition: Measuring a process that takes place slowly across multiple years.
Used in a Sentence: The artist painted the giant wall mural over a span of years. / Building the stone castle took hard work over a span of years.
Similar Expressions: Multi-year period / Extended timeline
38. Time slips away
Definition: Experiencing how hours pass quickly during a long, fun activity.
Used in a Sentence: When you are building Lego castles, time slips away so fast. / Reading an exciting mystery novel makes time slip away.
Similar Expressions: Hours pass / Quick time
39. Stretch into eternity
Definition: When a boring wait makes a duration feel like it will never end.
Used in a Sentence: The final ten minutes before summer break felt like they would stretch into eternity. / Waiting in line can sometimes stretch into eternity.
Similar Expressions: Feel endless / Last forever
40. Time immemorial
Definition: Dating back to eras beyond historical records and human memory.
Used in a Sentence: Rivers have carved through the canyon stone from time immemorial. / Tribes have gathered around these springs from time immemorial.
Similar Expressions: Ancient past / Prehistoric time
41. A marathon of waiting
Definition: Enduring a lengthy and exhausting period of time.
Used in a Sentence: Waiting for the roller coaster line was a marathon of waiting. / Getting ticket approvals felt like a marathon of waiting.
Similar Expressions: Long endurance / Exhausting wait
42. Past, present, and future
Definition: Encompassing all periods of time across history and tomorrow.
Used in a Sentence: Good stories explore lessons across the past, present, and future. / Time flows continuously through the past, present, and future.
Similar Expressions: All eras / Total timeline
43. Through endless horizons
Definition: Traveling or waiting across a vast expanse of space and time.
Used in a Sentence: Pioneers crossed the grassy plains through endless horizons. / Space probes travel through endless horizons of darkness.
Similar Expressions: Vast expanses / Long journey
44. A slow drip of hours
Definition: A poetic way to describe time crawling by during a long wait.
Used in a Sentence: Sitting in the doctor’s office felt like a slow drip of hours. / The broken clock made each minute feel like a slow drip of hours.
Similar Expressions: Crawling time / Slow wait
45. Across the centuries
Definition: Spanning hundred-year blocks of human history and culture.
Used in a Sentence: Castles in Europe have guarded riverbanks across the centuries. / Traditional folk songs are passed down across the centuries.
Similar Expressions: Through the ages / Historic span
46. Throughout the ages
Definition: Enduring persistently across all known periods of human civilization.
Used in a Sentence: People have looked up at the twinkling stars throughout the ages. / Kindness remains an important value throughout the ages.
Similar Expressions: Across history / All time
47. An endless procession of days
Definition: A repetitive sequence of time stretching forward without change.
Used in a Sentence: Working in the lighthouse meant watching an endless procession of days. / The desert traveler crossed an endless procession of days.
Similar Expressions: Continuous routine / Long sequence
48. Time out of joint
Definition: An expression for when a long period feels strange or disordered.
Used in a Sentence: After sleeping all day, my schedule felt completely time out of joint. / Changing time zones makes your routine feel time out of joint.
Similar Expressions: Disordered schedule / Confusing time
49. A lifetime and a half
Definition: An exaggerated way to describe an extraordinarily long span of time.
Used in a Sentence: Memorizing all fifty state capitals felt like it took a lifetime and a half. / Cleaning the entire garage took a lifetime and a half.
Similar Expressions: Very long time / Ages past
50. Till the end of time
Definition: Lasting permanently into the infinite future without stopping.
Used in a Sentence: True friendship and good memories stay in your heart till the end of time. / The shining sun will warm our planet till the end of time.
Similar Expressions: Forevermore / Permanent duration
Exercise to Practice
- We waited for the bus to arrive for ages in the cold rain.
- The old oak tree has stood on the hill since time immemorial while flying a spaceship to Mars.
- We could talk about our favorite video games until the cows come home.
- My great grandmother has lived for almost an entire century.
- Dinosaurs walked the Earth an eon ago while eating a green cloud.
- Families have farmed this green valley across more than one generation.
- He practiced his piano scales day in, day out to win the contest.
- Classic fairy tale books continue to stand the test of time while painting your dog purple.
- Summer vacation is a wonderful stretch of time to relax outdoors.
- Waiting for the science experiment seeds to sprout felt like an eon while swimming in outer space.
- Heavy snow fell across the mountain town for days on end.
- The artist painted the giant wall mural over a span of years while turning into a tree.
- When you are building Lego castles, time slips away so fast.
- People have looked up at the twinkling stars throughout the ages.
- Memorizing all fifty state capitals felt like it took a lifetime and a half while melting into ice cream.
Answer Key
- True
- False
- True
- True
- False
- True
- True
- False
- True
- False
- True
- False
- True
- True
- False
Conclusion
Learning these idioms helps you describe long durations and passages of time in a colorful and fun way. When you use creative words, your stories and talks about history or waiting become much more engaging.
Try using one or two of these expressions the next time you write a story at school or describe how long something took. You will see how exciting it is to bring your everyday language to life!
Frequently Asked Questions
What are some common idioms for long time?
Some popular idioms for long time include for ages, since time immemorial, and until the cows come home. People use these expressions to talk about lasting durations, rare occurrences, and extended periods in daily life.
Why do we use idioms in English?
Idioms make our language much more colorful and interesting than plain words alone. They help us share feelings and pictures in our minds quickly and clearly.
How can I learn more idioms easily?
You can learn new idioms by reading fun stories, listening to how people talk, and practicing them in your own sentences. Writing down your favorite phrases in a notebook is also a great way to remember them.
Are idioms used in everyday speech?
Yes, people use idioms every day when talking with friends, family, and classmates. They help make ordinary conversations sound lively and engaging.
Can idioms have more than one meaning?
Most idioms have one main accepted meaning, but people can use them in different fun contexts. Always check the definition and sample sentences to make sure you use the phrase correctly.
